Data as of June 2026. Source: Realtor.com.
The O FALLON, MO real estate market (63366) currently shows 138 active listings, with 74 pending sales. Homes are averaging 32 days on the market before going under contract.
Inventory has tightened compared to last year, with 11 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 32 days on market compared to 31 days last year.
The median listing price has risen 1.8% year-over-year, from $401,668 to $408,738.
Whether you are buying or selling in O FALLON, MO, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
Population: 52,746 · Density: 293.9/mi² · Median household income: $91,698
Typical home value: $262,117 · Homeownership: 80.9%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 63366 | O'Fallon, MO 63366 | 0.0 mi | 91 | $38,996,958 | $407,500 | $428,538 |
| 63376 | Saint Peters, MO 63376 | 6.9 mi | 143 | $48,325,563 | $334,900 | $337,941 |
| 63368 | O'Fallon, MO 63368 | 7.5 mi | 132 | $64,754,052 | $491,850 | $490,561 |
| 63385 | Wentzville, MO 63385 | 8.5 mi | 307 | $159,208,358 | $427,413 | $518,594 |
| 63362 | Moscow Mills, MO 63362 | 10.1 mi | 48 | $16,711,968 | $327,065 | $348,166 |
| 62013 | Brussels, IL 62013 | 11.0 mi | 1 | $160,000 | $160,000 | $160,000 |
| 63348 | Foristell, MO 63348 | 12.9 mi | 93 | $53,200,185 | $425,000 | $572,045 |
| 63301 | Saint Charles, MO 63301 | 13.3 mi | 131 | $53,838,118 | $399,900 | $410,978 |
| 63347 | Foley, MO 63347 | 14.8 mi | 2 | $789,800 | $394,900 | $394,900 |
| 63044 | Bridgeton, MO 63044 | 16.8 mi | 19 | $3,994,123 | $244,950 | $210,217 |
| 62037 | Grafton, IL 62037 | 17.1 mi | 12 | $6,719,172 | $349,000 | $559,931 |
| 63017 | Chesterfield, MO 63017 | 17.4 mi | 111 | $68,511,975 | $619,225 | $617,225 |
| 63390 | Wright City, MO 63390 | 17.7 mi | 74 | $42,724,788 | $349,950 | $577,362 |
As of June 2026, there are 138 active listings in O FALLON, MO (zip code 63366), compared to 149 the prior year.
The median listing price in O FALLON, MO 63366 is $408,738 as of June 2026, a 1.8% increase from $401,668 the prior year.
Homes in O FALLON, MO 63366 spend an average of 32 days on the market before going under contract, compared to 31 days the prior year.
Based on current inventory and days-on-market data as of June 2026, O FALLON, MO 63366 is currently a Balanced Market. Inventory has tightened compared to last year, with 11 fewer active listings — creating more competition among buyers. Homes are taking longer to sell, averaging 32 days on market compared to 31 days last year.
With SELL123.com's maximum 3% commission, sellers in O FALLON, MO 63366 save an estimated $8,175 compared to a typical 5% commission on the median listing price of $408,738. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.